QAM - Blonder Tongue Laboratories Inc.
QAM - Blonder Tongue Laboratories Inc.
QAM - Blonder Tongue Laboratories Inc.
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Application – Digital Return Path<br />
Remote Origination<br />
Headend<br />
1<br />
SD-SDI<br />
A/V<br />
Existing<br />
Headend<br />
<strong>QAM</strong><br />
Sub-band<br />
(T7-T13)<br />
3<br />
<strong>QAM</strong><br />
Sub-band<br />
(T7-T14)<br />
RF<br />
<strong>QAM</strong><br />
54-864 MHz<br />
Diplexer<br />
Combiner (OC series)<br />
RF<br />
2<br />
To Headeand<br />
via<br />
Return Path<br />
Diplexer<br />
(DSV Series)<br />
From<br />
Remote Origination<br />
via Return Path<br />
Coaxial<br />
Distribution<br />
Network<br />
1<br />
2<br />
3<br />
Content in digital SD-SD or analog Audio/Video formats is encoded and modulated into sub-band <strong>QAM</strong> (SD10E-<strong>QAM</strong>)<br />
Content is sent to the head end over the coax via return path<br />
8VSB/<strong>QAM</strong>-to-<strong>QAM</strong> Processor re-inserts the content into the standard channel lineup (Channels 2-135) (AQP)<br />
<strong>Blonder</strong> <strong>Tongue</strong> <strong>Laboratories</strong>, <strong>Inc</strong>.<br />
1.800.523.6049 www.blondertongue.com<br />
Slide # 13
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